Home / 13,113.52-19,665.06-4,791.64

Finding the Fourth Proportional to 13,113.52, 19,665.06 and 4,791.64

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Solution

The fourth proportional to 13,113.52, 19,665.06 and 4,791.64 is: 7,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.52 : 19,665.06 = 4,791.64 : x
  2. Step 2: Convert to fraction form
    13,113.52/19,665.06 = 4,791.64/x
  3. Step 3: Cross multiply
    13,113.52x = 19,665.06 × 4,791.64
  4. Step 4: Simplify right side
    13,113.52x = 94,227,888.10
  5. Step 5: Solve for x
    x = 94,227,888.10/13,113.52
  6. Step 6: Final answer
    x = 7,185.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.